1987.10—1991.07 Member of the Public Security Bureau of Linxia City, Gansu Province;
1991.08—1996.02 Director of Nanlong Police Station of Linxia Public Security Bureau, Gansu Province;
1996.03 ——1997.04 Captain of Interpol Brigade of Linxia Public Security Bureau, Gansu Province;
1997.05—200 1.03 Deputy Director of Comprehensive Management Office of Linxia City, Gansu Province;
200 1.04—2003.02 Director of Anti-drug Office of Linxia City, Gansu Province (during this period: 200 1.09—2003.07 studied at the Party School of Linxia State Committee);
2003.03—2004.06 Deputy Secretary of the Political and Legal Committee of Linxia Municipal Committee of Gansu Province and Director of the Anti-drug Office;
2004.06—2006. 1 1 Deputy County Magistrate of Linxia County Government of Gansu Province and Director of Public Security Bureau (during this period: studied law at the Party School of Gansu Provincial Party Committee from September 2004 to February 2006);
2006.11—2009.10 Member of the Standing Committee of Linxia County Committee, Secretary of the Political and Legal Committee and Director of the Public Security Bureau of Gansu Province;
2009. 10— Up to now, member of the Standing Committee of Yongjing County Committee of Gansu Province, secretary of the Political and Legal Committee, and director of the Public Security Bureau.